Present forest conditions -- loss of a herbaceous and shrubby understory, reductions in the amount of older forests, and increased areas of dense tree
regeneration -- reflect the extent of human influence on these forests These changes may also be...

East side of Judith Mountains twenty miles northeast of Lewistown, Montana. Plate 43b (July 18, 1980) 92 years later. Taken in the season, the foreground vegetation shows effects of current livestock grazing. Shrubs including chokecherry, currant,...